<template>

    <div>
        <el-breadcrumb separator="/" style="color: black;font-weight: 700">
            <el-breadcrumb-item >首页</el-breadcrumb-item>
            <el-breadcrumb-item>航班管理</el-breadcrumb-item>
            <el-breadcrumb-item>航班时间</el-breadcrumb-item>
        </el-breadcrumb>
        <h1>航班时间信息管理</h1>
        <!--      搜索表单-->
        <el-row :gutter="20">
            <el-col :span="6">
                <el-button type="primary" @click="openAddDialog">添加</el-button>
            </el-col>
            <el-col :span="6">
                <el-form-item label="航班号" >
                    <el-input placeholder="航班号" v-model="searchCriteria.FLID" clearable />
                </el-form-item>
            </el-col>
            <el-col :span="6">
                <el-form-item>
                    <el-button type="primary" @click="searchOnSubmit">查询</el-button>
                    <el-button @click="searchOnReset">取消</el-button>
                </el-form-item>
            </el-col>
        </el-row>

        <el-table :data="tableData" style="width: 100%">
            <el-table-column
                    :prop="item.prop"
                    :label="item.label"
                    v-for="(item, index) in tableHeader"
                    :key="item.prop"
            >
                <template #default="scope">
                    <div
                            v-show="item.editable || scope.row.editable"
                            class="editable-row"
                    >
                        <template v-if="item.type === 'input'">
                            <el-input
                                v-bind="{ readonly: ['ID', 'FLID'].includes(item.prop) && scope.row.editable }"
                                    size="small"
                                    v-model="scope.row[item.prop]"
                                    :placeholder="`请输入${item.label}`"
                                    @change="handleEdit(scope.$index, scope.row)"
                            />
                        </template>
                      <template v-if="item.type === 'date'">
                        <el-date-picker
                            v-model="scope.row[item.prop]"
                            type="datetime"
                            value-format="YYYY-MM-DD HH:mm:ss"
                            :placeholder="`请输入${item.label}`"
                            @change="handleEdit(scope.$index, scope.row)"
                        />
                      </template>
                        <template v-else-if="item.type === 'select'">
                            <!-- 新增：对于类型为'select'的列 -->
                            <el-select
                                    v-model="scope.row[item.prop]"
                                    size="small"
                                    @change="handleEdit(scope.$index, scope.row)"
                            >
                                <el-option
                                        v-for="option in item.options"
                                        :key="option.value"
                                        :label="option.label"
                                        :value="option.value"
                                />
                            </el-select>
                        </template>


                     </div>
                    <div
                            v-show="!item.editable && !scope.row.editable"
                            class="editable-row"
                    >
                        <span class="editable-row-span">{{ scope.row[item.prop] }}</span>
                    </div>
                </template>
            </el-table-column>
            <el-table-column label="操作">
                <template #default="scope">
                    <el-button
                            v-show="!scope.row.editable"
                            size="small"
                            @click="scope.row.editable = true"
                    >编辑信息</el-button
                    >
                    <el-button
                            v-show="scope.row.editable"
                            size="small"
                            type="success"
                            @click="saveEditedRow(scope.row)"
                    >确定</el-button
                    >
                  <el-button
                      v-show="scope.row.editable"
                      size="small"
                      type="warning"
                      @click="cancelEdit(scope.row)"
                  >取消</el-button
                  >
                </template>
            </el-table-column>
        </el-table>
<!--&lt;!&ndash;       分页组件示例&ndash;&gt;-->
<!--      <el-pagination-->
<!--          background-->
<!--          layout="prev, pager, next"-->
<!--          :total="totalElements"-->
<!--          :current-page="currentPage"-->
<!--          :page-size="pageSize"-->
<!--          @current-change="handlePageChange"-->
<!--          style="margin-top: 20px;"-->
<!--          v-if="showPagination"-->
<!--      />-->

      <el-pagination
          v-model="currentPage"
          :small="small"
          :disabled="disabled"
          :background="background"
          :page-size="pageSize"
          layout="prev, pager, next, jumper"
          :total=totalElements
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          v-if="showPagination"
      />

      <!-- 添加航班信息模态框 -->
        <el-dialog v-model="dialogVisible" title="添加航班信息" width="50%" @close="resetAddForm">
            <el-form ref="addFormRef" :model="newFlight" label-width="80px">
                <el-form-item label="航班号">
                    <el-input v-model="newFlight.flid" />
                </el-form-item>
                <el-form-item label="航班标识">
                    <el-input v-model="newFlight.fide" />
                </el-form-item>
                <el-form-item label="起飞时间">
                  <el-date-picker
                      v-model="newFlight.frtt"
                      type="datetime"
                      value-format="YYYY-MM-DD HH:mm:ss"
                      placeholder="选择日期"
                  />
                </el-form-item>
                <el-form-item label="到达时间">
                  <el-date-picker
                      v-model="newFlight.frlt"
                      type="datetime"
                      value-format="YYYY-MM-DD HH:mm:ss"
                      placeholder="选择日期"
                  />
                </el-form-item>
                <!-- 其他字段... -->
            </el-form>
            <template #footer>
      <span class="dialog-footer">
        <el-button @click="dialogVisible = false">取消</el-button>
        <el-button type="primary" @click="onAddHandler">确定</el-button>
      </span>
            </template>
        </el-dialog>
    </div>
</template>


<script setup>
import { ref, reactive, onMounted,onUpdated,computed,nextTick } from 'vue';
import {ElMessage, ElMessageBox} from 'element-plus'
import axios from 'axios'; // 确保已导入axios


const small = ref(false)
const background = ref(true)
const disabled = ref(false)

const handleSizeChange = (val) => {
  console.log(`${val} items per page`)
}


  const item = reactive({
    ID: '',
    FLID: '',
    FIDE: "",
    FRTT: "",
    FRLT: '',
    VALID: "",
    displayStatus:"",

});

const header = {
    prop: "key",
    label: "自定义",
    editable: false,
    type: "input",
};

const tableHeader = ref([
    // {
    //     prop: "ID",
    //     label: "ID",
    //     editable: false,
    //     type: "input"
    // },
    {
        prop: "FLID",
        label: "航班号",
        editable: false,
        type: "input"
    },
    {
        prop: "FIDE",
        label: "航班标识",
        editable: false,
        type: "input"
    },
    {
        prop: "FRTT",
        label: "起飞时间",
        editable: false,
        type: "date"
    },
    {
        prop: "FRLT",
        label: "到达时间",
        editable: false,
        type: "date"
    },
    {
        prop: "displayStatus",
        label: "状态",
        editable: false,
        type: "select", // 将类型更改为'select'
        options: [
            { label: "启用", value: 1 },
            { label: "禁用", value: 0 },
        ],
    },
]);

const tableData = ref([]);


const showPagination = ref(true);

//精准查询
const searchCriteria = reactive({
    FLID: "",
});

//分页相关状态
const currentPage = ref(1); // 当前页码，默认为第一页
const pageSize = ref(5); // 每页显示数量，默认为5条
const totalElements = ref(0);

// 初始化时加载第一页数据
onMounted(() => {
  fetchFlightData();
  showPagination.value = true;
});
onUpdated(() => {
});

// 添加分页导航的处理函数，比如上一页、下一页、跳转到特定页
function handleCurrentChange(page) {
  currentPage.value = page;
  fetchFlightData(page);
}


// 更新fetchUserData函数以支持分页查询
async function fetchFlightData(current = currentPage.value, size = pageSize.value) {
  try {
    const response = await axios.get('/view/page', {
      params: {
        currentPage: current,
        pageSize: size
      }
    });
    if (!response.data.errorCode || response.data.errorCode === "200") {
      // 更新tableData时，考虑分页数据结构
      //将接口返回的数据通过map方法遍历并转换为新的对象数组
      tableData.value = response.data.data.map(flightView => ({
        ID: flightView.id,
        FLID: flightView.flid,
        FIDE: flightView.fide,
        FRTT: flightView.frtt,
        FRLT: flightView.frlt,
          VALID: flightView.valid,
          // 添加新属性用于展示，根据VALID值决定
          displayStatus: flightView.valid === 1 ? '启用' : '禁用',
        editable: false,
      }));
      totalElements.value = response.data.total;
    } else {
      ElMessage.error(response.data.msg || '获取数据失败');
      console.error('Failed to fetch data. ErrorCode:', response.data.errorCode, ', Message:', response.data.msg);
    }
  } catch (error) {
    ElMessage.error('获取数据过程中发生错误');
    console.error('Error fetching data:', error);
  }
}

// 搜索条件
async function searchOnSubmit() {
  if (!searchCriteria.FLID) {
    ElMessage.warning('请输入航班号');
    return;
  }
  if (!/^[1-9]\d{5}$/.test(searchCriteria.FLID)) {
    ElMessage.warning('航班号格式不正确，请输入正确的格式[六位数字]');
    return;
  }
  try {
    const response = await axios.get(`/view/find`, {
      params: {
       FLID: searchCriteria.FLID,
      },
    });

    if (response.data.errorCode === "200") {
      // 映射到tableData中
      tableData.value = response.data.data.map(flightView => ({
        ID: flightView.id,
        FLID: flightView.flid,
        FIDE: flightView.fide,
        FRTT: flightView.frtt,
        FRLT: flightView.frlt,
          VALID: flightView.valid,
          // 添加新属性用于展示，根据VALID值决定
          displayStatus: flightView.valid === 1 ? '启用' : '禁用',
        editable: false,
      }));
      //    查询成功后把查询的结果添加到表单展示
      showPagination.value = false;
    } else {
      ElMessage.error('查询失败，请检查输入或重试');
      console.error('查询失败:', response.data.message || '未提供错误信息');
    }
  } catch (error) {
    ElMessage.error('查询过程中发生错误');
    console.error('查询错误:', error);
  }
}

// 添加航班信息的对话框状态
const dialogVisible = ref(false);

// // 定义验证规则
// const addFormRules = computed(() => ({
//   frtt: [{ required: true, message: '起飞时间不能为空', trigger: 'blur' }],
//   frlt: [{ required: true, message: '降落时间不能为空', trigger: 'blur' }],
// }));

// 新航班信息对象
const newFlight = reactive({
  flid:"",
  fide : "",
  frtt : "",
  frlt : "",
});

// 添加表单的引用
const addFormRef = ref( null);

// 打开添加航班信息的模态框
const openAddDialog = () => {
  dialogVisible.value = true;
};

// 重置添加表单
const resetAddForm = () => {
  newFlight.flid = "";
  newFlight.fide = "";
  newFlight.frtt = "";
  newFlight.frlt = "";
};

// 添加航班信息的处理函数
async function onAddHandler() {
  try {
    // 验证表单
    if (!addFormRef.value) return;
    // await addFormRef.value.validate('submit');
    //  校验航班号必须是6位的数字
      if (!/^[1-9]\d{5}$/.test(newFlight.flid)) {
        ElMessage.warning('航班号格式不正确，请输入正确的格式[六位数字]');
        return;
      }

    // 发送添加请求到后端
    const response = await axios.post('/view/insert', newFlight);

    if (!response.data.errorCode || response.data.errorCode === "200") {
      ElMessage.success('添加成功');
      dialogVisible.value = false; // 关闭模态框
      await fetchFlightData(); // 刷新表格数据
    } else {
      ElMessage.error(response.data.msg || '添加失败，请重试');
    }
  } catch (error) {
    console.error('Error adding data:', error);
    ElMessage.error('添加过程中发生错误');
  }
}

// 删除航班信息
async function deleteFlightData(ID) {
  // 使用ElMessageBox显示确认对话框
  const confirmResult = await ElMessageBox.confirm(
      '确定要删除这条航班信息吗？',
      '删除确认',
      {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }
  );
  // 如果用户点击了确认按钮（confirm）
  if (confirmResult === 'confirm') {
    try {
    const response = await axios.delete(`/view/${ID}`);

      if (!response.data.errorCode || response.data.errorCode === "200") {
        await fetchFlightData();
        ElMessage.success('删除成功');
      } else {ElMessage.error('删除失败，请重试');}
    } catch (error) {
      console.error('Error deleting data:', error);
      ElMessage.error('删除失败');
    }
  }
  // 如果用户点击取消，则什么都不做，对话框自动关闭
}

//取消查询
const searchOnReset = async () => {
  showPagination.value = true;
  searchCriteria.FLID = "";
  await fetchFlightData();
};
//切换表格行进入编辑模式
function handleEdit(row) {
  row.editable = true;
}


// 修改
async function saveEditedRow(row) {
    if (row.displayStatus === '启用'  || row.displayStatus ==='禁用') {
        ElMessage.warning('请再次确认选择一次您的状态');
        return; // 停止执行保存逻辑
    }
  try {
    const updatedFlight = {
      id: row.ID,
      flid: row.FLID,
      fide: row.FIDE,
      frtt: row.FRTT,
      frlt: row.FRLT,
        valid: row.displayStatus,
    };
    const response = await axios.put(`/view/update`, updatedFlight);

    if (!response.data.errorCode || response.data.errorCode === "200") {
      ElMessage.success('更新成功');
      row.editable = false;
      await fetchFlightData();
    } else {
      ElMessage.error(response.data.msg || '更新失败，请重试');
    }
  } catch (error) {
    console.error('Error updating data:', error);
    ElMessage.error('更新过程中发生错误');
  }
}
//取消修改按钮
const cancelEdit = (row) => {
  row.editable = false;
  //    恢复原来数据
  Object.assign(row, {
    ID: row.ID,
    FLID: row.FLID,
    FIDE: row.FIDE,
    FRTT: row.FRTT,
    FRLT: row.FRLT,
  });
  ElMessage.warning('已取消修改');
  fetchFlightData();
};
</script>

<style scoped>
.demo-pagination-block + .demo-pagination-block {
  margin-top: 20px;
}
.demo-pagination-block .demonstration {
  margin-bottom: 16px;
}
</style>